Power steering for motor vehicles

Details Power steering for motor vehicles Power steering for motor vehicles

1987-12-11

1989-04-11

Pekar, John A.

Motor vehicles

Compensating devices

180133, B62D 500

Patent

active

048197572

ABSTRACT:
Vehicles which have power steering for rotating a steering force shaft articulated via tie rods to a steering linkage can be steered by manual force steering in event of failure of the power steering. The manual force must not exceed a legal limit. The invention accomplishes this by a geometric relationship between such shaft and the pivots for tie rods which connect the shaft to the tie rods for respective steered wheels. A link to which the shaft is secured has provision for carrying tie rod end pivots at a particular distance from each other and each at a particular distance from the shaft. The distances are such that the distance between the pivots is at least 0.8 the distance from the shaft to each pivot. By such proportioning the force transmittal that effects steering becomes more indirect as the medium steering angle of steering increases. The total steering forces then become lower.

REFERENCES:
patent: 3051257 (1962-08-01), Selle
patent: 3392797 (1968-07-01), Gibson
patent: 3768825 (1973-10-01), Magnusson
patent: 4109748 (1978-08-01), Evans

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